Geometrical instruments – Area integrators – Electrical
Patent
1978-09-22
1980-03-18
Stearns, Richard R.
Geometrical instruments
Area integrators
Electrical
33172E, 33DIG7, G01B 702
Patent
active
041932021
ABSTRACT:
An apparatus and method for determining the geometrical position of peripheral points of bodies, especially of bodies of rotation, is disclosed. The points are measured relative to an axis of the bodies by a sensing gauge head. The head is preferably carried on an upper carriage of two carriages that move at right angles with respect to one another. The sensing gauge head carries a stretched wire which serves as a measuring face. When the measuring wire makes contact with the body to be measured, an electric circuit is closed to trigger an optical signal. Acoustic and/or motor controlling signals may also be triggered by the contact with the body. A contact brush may also be provided on the sensing gauge head to warn the operator that contact with the measuring wire is imminent.
REFERENCES:
patent: 2172719 (1939-09-01), Weant
patent: 2554171 (1951-05-01), Brunot et al.
patent: 3805393 (1974-04-01), Lemelson
patent: 3844047 (1974-10-01), Carson
patent: 3879993 (1975-04-01), Sorbie
Kurzi Albert
Mersiovsky Willy
BBC Brown Boveri & Company Limited
Stearns Richard R.
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